When two boats share the same hull type — in this case both the Harris Flotebote Sunliner 180 2008 and the Harris Flotebote Sunliner 220 2011 are pontoon designs with aluminum construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

On paper these two are close siblings in the size department — Harris Flotebote Sunliner 180 2008 at 19,0 ft versus Harris Flotebote Sunliner 220 2011 at 22,0 ft. Weight tells a clearer story for trailering families: the Harris Flotebote Sunliner 180 2008 tips the scales at 1 775 lbs — 1 749 lbs more than the Harris Flotebote Sunliner 220 2011 at 26 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

The Harris Flotebote Sunliner 180 2008 carries a rated maximum of 80 hp. Engine data for the Harris Flotebote Sunliner 220 2011 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.

For family outings this is probably the sharpest distinction between the two. The Harris Flotebote Sunliner 220 2011 is rated for 12 passengers, while the Harris Flotebote Sunliner 180 2008 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Harris Flotebote Sunliner 220 2011 could be the deciding factor.